AmScope SE305-PZ-LED-DK 10X-60X LED Cordless Stereo Microscope w/Top & Bottom Brightfield and Darkfield Illumination System 10X-60X widefield darkfield stereo magnification settings Built-in incident (top) and transmitted (bottom) lights Equipped with dark-field condenser and gem clamp Sturdy pillar stand with metal framework Backward widefield binocular head